The first-ever yearlong mission aboard the International Space Station ends tonight, and you can watch its final moments live.
PHOTOS: Calluses to Klingons, ISS Astronaut Tells All
A Soyuz spacecraft carrying NASA astronaut Scott Kelly and cosmonauts Mikhail Kornienko and Sergey Volkov is scheduled to land on the steppes of Kazakhstan tonight (March 1) at 11:27 p.m. EST (0427 GMT and 10:27 a.m. local Kazakhstan time on March 2). You can watch the landing live at Space.com, courtesy of NASA TV; coverage begins at 10:15 p.m. EST (0315 GMT on March 2).
Kelly and Kornienko arrived at the International Space Station (ISS) in March 2015, embarking upon a 340-day space mission designed to help pave the way for future crewed journeys to Mars. Volkov is completing a more typical 5.5-month expedition; he arrived at the space station last September.
PHOTOS: These Astronauts are NASA's Longest-Duration Space Fliers
You can also watch several key events leading up to the spaceflyers' landing today, courtesy of NASA TV as well: The hatches between the trio's Soyuz and the ISS are scheduled to close at 4:40 p.m. EST (2140 GMT), and the Soyuz is due to undock from the orbiting lab at 8:05 p.m. EST (0105 GMT on March 2).